Can someone tell me if this is correct?

Name the most appropriate metric unit for each measurement like a length of an carrot

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.